I don't know of any events in Greece at the time, so I think we can reject this answer.
HUngary is correct, except that it was not independent at the time, but part of the Austrian Empire, so it's already included in the question.
Spain had a little unrest, but not a lot.
The best answer is Italy - it had very important events during this time, for example the revolution in Sicily in 1848.
China and Australia are both countries that fall into the categories of coal producing giants. China is on top as the biggest producer of coal in the world, as well as being the biggest consumer of it. There are more than 12,000 coal mines across China. Australia is the fourth largest producer of coal in the world, but it uses only 10% of what it produces. When compared with China, Australia seems like a dwarf when it comes to coal mines, as it only has slightly more than 100, thus 120 times less coal mines that China.
If the bag of basketballs has a mass of 15 kg. The acceleration of the bag is: 0.33m/s².
<h3>Acceleration of the bag</h3>
Using this formula
Acceleration =Mass/ Force
Where:
Force(F) = 45 N
Mass (m) = 15 kg
Let plug in the formula
Acceleration= 15/45
Acceleration = 0.33m/s²
Therefore the acceleration of the bag is: 0.33m/s².
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Generally speaking, early exploration of Africa by europeans was hindered by the lack of navigable routes in Africa, due to the fact that much of Africa at this time was barren.
